The Dakota County attorney charged Melissa Louise Hokanson with manslaughter and child neglect charges in the death of 17-month-old Nicholas Miller.

The child’s stepfather, Tylar Hokanson, was previously convicted in the child’s death. He was accused of shaking the toddler so hard it caused bleeding in his brain, a broken back, blunt force trauma and other injuries. The boy died June 23, 2009 at a relative’s house in Pierce County, Wis., four days after he was injured.

A criminal complaint filed against the boy’s mother says she watched the child’s health decline over four days until his death, but did not get medical care for him.